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1. (WO1999005436) LUBRICATING OIL HOLDER FOR SLIDING FACE OF SHAFT SEAL IN OIL CHAMBER OF UNDERWATER PUMP

Pub. No.:    WO/1999/005436    International Application No.:    PCT/JP1998/003329
Publication Date: Feb 4, 1999 International Filing Date: Jul 24, 1998
IPC: F04D 29/12
F16J 15/34
Applicants: TSURUMI MANUFACTURING CO., LTD.

Inventors: MURAI, Minoru

Title: LUBRICATING OIL HOLDER FOR SLIDING FACE OF SHAFT SEAL IN OIL CHAMBER OF UNDERWATER PUMP
Abstract:
A lubricating oil holder wherein a shaft seal (11) in an oil chamber (3) is enclosed by an annular wall body (10), a guide vane (G) is fixed along the inner peripheral surface of the annular wall body (10), the upper rim of the annular wall body (10) is close to a housing (1h) on the motor side or a flange projecting inward is provided to use the resultant gap as an outflow groove (13a). An oil inflow groove (13b) is provided along the butting faces of the lower rim of the annular wall body (10) and a housing (2h) on the pump side. A spiral body can as well be adopted as the guide vane (G).